package offer.day36;

public class TreeNode {
    int val;

    TreeNode one;
    TreeNode two;
    TreeNode three;
    TreeNode parent;

    TreeNode(int val){
        this.val = val;
    }

    @Override
    public String toString() {
        return "TreeNode{" +
                "val=" + val +
                '}';
    }
}
